using System.Linq;
using System;
public static class BinaryExtensions {    
    public static string ToBinaryString(this ushort number) => 
        Convert.ToString(number, toBase: 2).PadLeft(sizeof(ushort) << 3, '0');
    public static string ToBinaryString(this uint number) => 
        Convert.ToString(number, toBase: 2).PadLeft(sizeof(uint) << 3, '0');
    
    public static string ToBinaryString(this int number) => 
        Convert.ToString(number, toBase: 2).PadLeft(sizeof(int) << 3, '0');

    public static string AddSeparators(this string number) => 
        string.Join("_",
            Enumerable.Range(0, number.Length / 4)
            .Select(i => number.Substring(i * 4, 4)).ToArray());
}
